SCP-XXXX is kept in a 20 x 16 x 6 meter chamber at Site-███ lined with various layers of soundproofing, lead, and electromagnetic and telepathic shielding.

I don't understand what you mean by "telepathic shielding". You talking about telekill? Because its use is rather questionable because of massive overuse back in the day. Not to say you shouldn't use it, but I'd recommend a good reason for justifying it. If you're referring to something else, then I'd suggest you specify what. Because I'm lost on this.

These feeds supply ██.█ gigawatt hours and ██.█ gallons per hour, respectively, which is required to keep SCP-XXXX functioning properly.

I don't think you should have these blacked out. Imagine that you were given this sheet and instructed to contain this anomaly. You wouldn't know how much electricity and nitrogen you need to put in. This could result in fucking something up and having everything go wrong. Also, I don't think gallons are SI units. I'd recommend using litres instead. If there are metric gallons, then ignore this.

This terminal has a 24 inch display and a standard QWERTY keyboard,

Now this part is out of my league. We use SI units1. But generally computer screens/displays use inches, even in metric countries. I'm no expert on computer terminology, so I'll leave someone else to figure this one out. As for the QWERTY keyboard, I don't believe this is specific enough. QWERTY keyboards in the US and QWERTY keyboards in the UK both have slightly different layouts. I'm just talking out of my arse here though. A computer expert should probably answer this for you.

SCP-XXXX will autonomously generate the same corrupted executable file every 12 hours. Attempting to open the file will result in [DATA EXPUNGED].

This just feels like a really shitty expungment. It's too vague. For all I know, opening the file could result in a giant lobster rising up from the depths of the earth to enact vengeance on mankind for the existence of Tuesday. Of course, I'm writing this as I read, so it may be justified. If it is, I'll point it out when I figure it out.

It is unclear what will happen if more files are generated than the storage size can contain. Given the demonstrated properties of the operating system, it has been concluded this event should be avoided. A placard has been placed beside the SCP-XXXX terminal instructing the visiting Level-3/XXXX individual of how to use it. A copy of these instructions can be found in Addendum-XXXX/01.

How should this be avoided? This information should probably be placed in the containment procedures since, once again, in the event someone is assigned to the item…that information will probably be useful.

Along the right side of the wall is a Realityphylaxis-Class cage 14 x 3 x 5 meters in size.

AHHHHH! BIG WORDS! I DON'T UNDERSTAND WHAT ANY OF THAT MEANS :(
Maybe a footnote or something would help clear things up.

This cage creates a paratopological barrier along its walls that completely prevents physical, metaphysical, and telepathic information from crossing its boundaries.

Once again, I'm lost on what paratopological means. Maybe a footnote to clear things up, while still keeping clinical tone?

The intention behind this cage's construction and purpose in unclear; no relevant records regarding it had been added to Foundation's databases around the time of the containment of SCP-XXXX. However, it should be assumed the two are connected.

Maybe I'm thinking too hard about this, but I feel like they'd do a bit more checking before assuming "Oh they must be related". Maybe they're two separate anomalies? Who knows?

Investigations into the matter are impeded by SCP-XXXX's containment procedures, so it has been concluded such investigations are not necessary.

How have they been impeded? Once again, the actual protocol in the containment procedures don't seem to make a lot of sense related to the item. What's stopping people from going in and looking at the cage-thing?

This cage is also the primary consumer of the electricity demands (9█.███%) in the containment chamber.

Oh so that's how they're related? I'd make this situation more clear by labelling the supercomputer SCP-XXXX-1 and the cage SCP-XXXX-2. The cage seems to be anomalous too, so making this distinction more clear would help clear up ambiguity. I think.

>:/ THE FOLLOWING REPORT REQUIRES LEVEL 5/XXXX AUTHORIZATION TO ACCESS

>:/ that is all.

WARNING: The following file is laced a Class-1A cognitohazard designed purposefully by the Antimemetics Division to cause the immediate cessation of higher brain functions and remove your memory from anyone who deems you as a significant part of their lives. This includes but isn't limited to: family, friends, co-workers, the barista of the local coffee shop you visit every morning before work, and even your dog. You will die, and nobody will remember you. If you are not authorized to read this file, stop reading now and we will forget you even made it this far.

Wait what? How will this erase my memory from other people? As in…how is me reading this document going to remove other people's memory of me? This itself seems more anomalous than the bloody cage.

Unless you are authorized to access to this file, you DO NOT have the proper training necessary to defeat this cognitohazard. Do not read beyond the end of this paragraph. This is your only warning. Upon your death, Foundation bots and assets will begin the tedious process of scrubbing every record of you and your memory from existence. Not even we will know what happened to you. Your dead body will probably get misidentified as an SCP by whomever finds it and eventually destroyed after nothing about you, anomalous or otherwise, is found. You will cease to exist as physically possible as we can make it.

This is your final warning. Do not read beyond the end of this sentence.

Oh. OK. This went crazy really quickly.

Item #: SCP-XXXX

Object Class: Keter

Special Containment Procedures: Foundation assets embedded inside of various private, public, academic, and government institutions are to monitor and report potential instances of SCP-XXXX. These assets are then to actively halt the distribution or publication of articles containing SCP-XXXX, dismantle the systems in place that allowed for the finding of SCP-XXXX, and destroy any record containing or pointing towards the existence of SCP-XXXX. Class-C and -F amnestics are to be administered to appropriate individuals depending on their level of exposure to SCP-XXXX. Mobile Task Force Omega-99 ("Theory Crackers") are on active standby to assist in these procedures.

Oh I get it. It's a hidden skip. Cool. Many spoop. Much suspense.

SCP-XXXX is a single, all-encompassing, coherent framework of physics expressed as a single mathematical formula. From this formula, all physical aspects of the universe can be explained and linked together.

Ohhh damn. So it's one of those "everything" skips. Pretty cool so far.

XXXX Theory posits that the concept of arity is dimensional like geometric space and may in fact exist in a false vacuum, whereupon firmly grasping the interconnectivity of everythingness at a physical level will force a fundamental shift at the metaphysical level.

Should this be "SCP-XXXX Theory"?

In much the same way a 3-Dimensional creature cannot even begin to visualize 5-Dimensional space, our 3-Dimensional consciousness cannot even begin to understand the workings of a 5-Dimensional universe.

So wait, the anomaly is that we're a 5-dimensional universe? Is that what this is? I'm a bit confused at this point.

Imagine if the world collectively forgot not just how fire works, but how to even go about discovering how fire works. Now translate this to abstract concepts such as knowing, cause, and identity. Civilization would not survive the transition.

I don't think this is very clinical tone. However, in this case I believe it is justified.

Whether or not this event will be isolated to just the sole individual who grasps SCP-XXXX, or whether the entirety of the universe will be affected instantaneously non-relativistically, can never be known. But it is clearly a risk we, as a species, are not equipped to handle.

See above criticism.

Addendum-XXXX/B: An attempt is underway at Site-███ for a method of removing the computer stuck processing SCP-XXXX from our universe. Construction of this "Cosmic Garbage Can" has been authorized by unanimous decision from the O5 Council.

The phrase "cosmic garbage can" is the greatest thing ever.

Addendum-XXXX/C: [DATA EXPUNGED].

No point to this addendum. It doesn't even raise suspense, it just feels like a cop-out.

Addendum-XXXX/01: The following is a copy of the instructions engraved into the placard placed on SCP-XXXX. The instructions list a step-by-step guide on how to use the terminal window. Another copy of these instructions is carried by all Level-3/XXXX authorized personnel.

> Enter the following lines of code exactly how they appear below into the terminal command line. Under no circumstances are you to deviate from these commands.
>
> pwd
> rm -r everything.exe
> ls
>
> Verify that the directory is empty. If not, then repeat the above commands as many times as necessary. Then you may leave the terminal and exit the containment chamber. Do not touch anything else.

This should be in the containment procedures. Although its inclusion down here may be justified. I don't know how to put a quote inside of a quote, but you know which part I'm talking about.

Now I understand that this part is out of character. But I'll offer up a suggestion for implanting it.

Firstly, you should turn the sandbox into a tabbed sandbox using the tab code. If you do not know the code for tabs, feel free to reply or pm me and I'll do it for you. That way we don't have to go into a Google Doc so we can read it. It's also better in that one can easily revert versions, as opposed to using a google doc. I could go in and sabotage your doc right now unless you've got all the settings figured out. I'm not going to, obviously. But I believe that you're better off having it on the same page.

As for actually putting it in…I'd suggest maybe having a link to the piece in an addendum or something. Then you can click on the link and be taken to the page. IE; a separate page for the supplement. Do you understand what I mean?

I won't review the supplementary piece itself as I'm on a time crunch right now. But I will attempt to read it.

To conclude, this was a piece that had a pretty cool twist, albeit confusing at times. Not much I can do to articulate this. I'd probably give this a neutral vote in the state its in. If you require an assistance with anything related to the piece (specifically, if you can't put the supplement into a tag) feel free to PM me about it. Be sure to mention who you are, otherwise I may forget.